package cn.longwingstech.intelligence.agent.mq.conf;


import org.springframework.amqp.core.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName: TTLQueueConfig
 * @Description:    TTL队列   配置文件代码
 */

@Configuration
public class TTLQueueConfig {
    //交换机和队列名称
    public static final String X_EXCHANGE = "X";
    public static final String QUEUE_A = "QA";
    public static final String QUEUE_B = "QB";
    public static final String QUEUE_EMAIL = "Q_EMAIL";
    public static final String Y_DEAD_LETTER_EXCHANGE = "Y";
    public static final String DEAD_LETTER_QUEUE = "QD";

    // 声明 xExchange普通交换机    类型是direct
    @Bean("xExchange")
    public DirectExchange xExchange(){
        return new DirectExchange(X_EXCHANGE);
    }
    // 声明 xExchange死信交换机    类型是direct
    @Bean("yExchange")
    public DirectExchange yExchange(){
        return new DirectExchange(Y_DEAD_LETTER_EXCHANGE);
    }

    @Bean("queueEmail")
    public Queue queueEmail(){
        return new Queue(QUEUE_EMAIL);
    }
    @Bean
    public Binding queueEmailBindingX(@Qualifier("queueEmail") Queue queueEmail,
                                      @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueEmail).to(xExchange).with("X-Q_EMAIL");
    }
    //声明队列 A        ttl为 10s并绑定到对应的死信交换机
    @Bean("queueA")
    public Queue queueA(){
        Map<String, Object> args = new HashMap<>(3);
        //声明当前队列绑定的死信交换机
        args.put("x-dead-letter-exchange", Y_DEAD_LETTER_EXCHANGE);
        //声明当前队列的死信路由 key
        args.put("x-dead-letter-routing-key", "YD");
        //声明队列的 TTL
        args.put("x-message-ttl", 10000);
        return QueueBuilder.durable(QUEUE_A).withArguments(args).build();
    }

    //声明队列 B        ttl 为 40s 并绑定到对应的死信交换机
    @Bean("queueB")
    public Queue queueB(){
        Map<String, Object> args = new HashMap<>(3);
        //声明当前队列绑定的死信交换机
        args.put("x-dead-letter-exchange", Y_DEAD_LETTER_EXCHANGE);
        //声明当前队列的死信路由 key
        args.put("x-dead-letter-routing-key", "YD");
        //声明队列的 TTL
        args.put("x-message-ttl", 40000);
        return QueueBuilder.durable(QUEUE_B).withArguments(args).build();
    }


    @Bean   // 声明队列 A绑定 X交换机
    public Binding queueaBindingX(@Qualifier("queueA") Queue queueA,
                                  @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueA).to(xExchange).with("XA");
    }
    @Bean   //声明队列 B绑定 X交换机
    public Binding queuebBindingX(@Qualifier("queueB") Queue queueB,
                                  @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueB).to(xExchange).with("XB");
    }

    //声明死信队列 QD
    @Bean("queueD")
    public Queue queueD(){
        return new Queue(DEAD_LETTER_QUEUE);
    }
    //声明死信队列 QD绑定关系
    @Bean
    public Binding deadLetterBindingQAD(@Qualifier("queueD") Queue queueD,
                                        @Qualifier("yExchange") DirectExchange yExchange){
        return BindingBuilder.bind(queueD).to(yExchange).with("YD");
    }
}